


Great Lakes Forecast
Issued by NWS
Issued by NWS
902 FZUS63 KDTX 150757 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 357 AM EDT Tue Jul 15 2025 For waters beyond five nautical miles off shore on Lake Huron Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. .SYNOPSIS...High pressure, 30.00 inches, holds over the Great Lakes through today. As the high exits eastward, the next chance for showers and thunderstorms returns Wednesday and Thursday as a cold front approaches through the Midwest and moves through the Great Lakes by Friday morning. LHZ361-151600- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 357 AM EDT Tue Jul 15 2025 .TODAY...Light and variable winds becoming southeast 5 to 10 knots in the late morning and afternoon. Waves 2 feet or less. .TONIGHT...Northeast winds 5 to 10 knots early in the evening becoming light and variable. Waves 1 to 3 feet. .WEDNESDAY...Light and variable winds. A chance of showers in the afternoon. Waves 2 feet or less. .WEDNESDAY NIGHT...Light and variable winds becoming northeast 5 to 10 knots in the late evening and overnight. A chance of showers and thunderstorms. Waves 2 feet or less. .THURSDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots late in the evening. A chance of showers. Waves 1 to 3 feet. .FRIDAY...Light and variable winds. Waves 2 feet or less. .SATURDAY...Light and variable winds becoming south 5 to 10 knots in the late morning and early afternoon...then backing to the east until early morning. A chance of showers until early morning. Waves 2 feet or less. $$ LHZ362-363-151600- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 357 AM EDT Tue Jul 15 2025 .TODAY...Light and variable winds becoming southeast 5 to 10 knots in the afternoon. Waves 2 feet or less. .TONIGHT...South winds 10 to 15 knots decreasing to 5 to 10 knots early in the morning. Waves 1 to 3 feet. .WEDNESDAY...Southwest winds 5 to 10 knots backing to the east early in the afternoon. A chance of showers in the afternoon. Waves 2 feet or less. .WEDNESDAY NIGHT...East winds 5 to 10 knots backing to the northeast in the late evening and overnight. A chance of showers and thunderstorms. Waves 2 feet or less. .THURSDAY...Southwest winds 10 to 15 knots veering to the north. A chance of showers. Waves 1 to 3 feet building to 2 to 4 feet. .FRIDAY...North winds 5 to 10 knots early in the morning becoming light and variable. Waves 2 feet or less. .SATURDAY...East winds 5 to 10 knots veering to the southeast. A chance of showers in the late evening and early morning. Waves 2 feet or less. $$ LHZ462>464-151600- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 357 AM EDT Tue Jul 15 2025 .TODAY...Light and variable winds becoming southeast 5 to 10 knots in the afternoon. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots veering to the south early in the morning. Waves 2 feet or less. .WEDNESDAY...South winds 5 to 10 knots backing to the southeast early in the afternoon. Waves 2 feet or less. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. A chance of showers and thunderstorms. Waves 2 feet or less. .THURSDAY...South winds 5 to 10 knots becoming northwest 10 to 15 knots. A chance of showers in the morning...then showers likely and a chance of thunderstorms late in the morning. A chance of showers late in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .FRIDAY...Northeast winds 10 to 15 knots becoming north 5 to 10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .SATURDAY...North winds 5 to 10 knots veering to the southeast until early morning. A chance of showers in the late evening and early morning. Waves 2 feet or less. $$ LHZ461-151600- MAFOR 1509/ HURON NORTH 11500 13400 12410 11400 11500. Waves 2 feet or less. HURON SOUTH 13300 14400 11400. Waves 2 feet or less. $$ BT Experimental modernized open lake forecast is available online at weather.gov/dtx/glftable (all lower case) Graphical marine forecasts are available online at weather.gov/greatlakes (all lower case)